Left infraorbital, labial and buccal regions

Superficial nerves, blood vessels and muscles, anterolateral view

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Image #66-6

Left infraorbital, labial and buccal regions

Superficial nerves, blood vessels and muscles, anterolateral view

The skin and subcutaneous connective tissue have been removed.

1
.

Filament of inferior palpebral branch of infraorbital nerve

2
.

Angular head of levator labii superioris muscle

3
.

Alar branch of angular artery

4
.

Orbital part orbicularis oculi muscle

5
.

Infraorbital head of levator labii superioris muscle

6
.

Zygomatic head of levator labii superioris muscle

7
.

Angular artery

8
.

Communication between facial and infraorbital nerves

9
.

Depressor anguli oris muscle

10
.

Cutaneous nerve filaments from infraorbital plexus

11
.

Superior labial branch of infraorbital nerve

12
.

Labial glands

13
.

Orbicularis oris muscle (superior part)

14
.

Superior labial artery

15
.

Upper lip

16
.

Lower lip

17
.

Orbicularis oris muscle (inferior part)

18
.

Risorius muscle

19
.

Zygomatic branches of facial nerve (several cutaneous filaments appear to be branches of the facial nerve although these are presumed to contain sensory fibers which reach the central nervous system through the trigeminal nerve)

20
.

Accessory parotid gland

21
.

Parotid-rnasseteric fascia

22
.

Masseter muscle

23
.

Buccal branch facial nerve (VII)

24
.

Parotid duct (enclosed by sheath of connective tissue and plexus of veins)